package audio;

import java.io.File;

import javax.swing.filechooser.FileFilter;

public class SABFileFilter extends FileFilter {
    String description;

    String extensions[];

    public SABFileFilter(String description, String extension) {
	this(description, new String[] { extension });
    }

    public SABFileFilter(String description, String extensions[]) {
	if (description == null) {
	    this.description = extensions[0];
	} else {
	    this.description = description;
	}
	this.extensions = extensions.clone();
	toLower(this.extensions);
    }

    private void toLower(String array[]) {
	for (int i = 0, n = array.length; i < n; i++) {
	    array[i] = array[i].toLowerCase();
	}
    }

    @Override
    public String getDescription() {
	return description;
    }

    @Override
    public boolean accept(File file) {
	if (file.isDirectory()) {
	    return true;
	} else {
	    String path = file.getAbsolutePath().toLowerCase();
	    for (int i = 0, n = extensions.length; i < n; i++) {
		String extension = extensions[i];
		if ((path.endsWith(extension) && (path.charAt(path.length() - extension.length() - 1)) == '.')) {
		    return true;
		}
	    }
	}
	return false;
    }
}
